| Answer | Crossword Clue |
|---|---|
| NEPTUNE | Planet eighth nearest to the sun |
| NEPTUNE | Planet eighth-nearest to the sun |
| MERCURY | Planet nearest to the sun |
| MERCURY | Nearest planet to the sun |
| EARTH | Planet third nearest to the sun |
| JUPITER | Planet fifth nearest to the sun |
| MARS | Planet fourth nearest to the sun |
| SATURN | Planet sixth nearest to the sun |
| URANUS | Planet seventh nearest to the sun |
| VENUS | Planet second nearest to the sun |
